New Delhi: Forty nine fresh cases of swine flu have been reported in the capital with the total number of cases of the disease going up to 488 this year.

Five people have already been reported to have died this year due to the disease.

Swine flu is caused by H1N1 virus. H1N1 symptoms are similar to those produced by other influenza viruses - fever, cough, sore throat, body aches and respiratory problems.

Symptoms for swine flu include high fever, headache, muscle pain, diarrhoea, vomiting, stomach pain and internal and external bleeding. It is transmitted to people primarily from ticks and livestock animals with an incubation period of up to nine days. Human-to-human transmission takes up to two weeks.